Survey and Opinion Research
"Sonquist, John A"
Survey and Opinion Research - \\197700ENGGPSX - Prentice Hall 1977 Englewood Cliffs - 502p.
includes index and biblioraphy
Survey and Opinion Research - \\197700ENGGPSX - Prentice Hall 1977 Englewood Cliffs - 502p.
includes index and biblioraphy